Answer:
[tex]B)Center:(7,2)~~radius=\sqrt{10}[/tex]
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[tex](x-h)^2+(y-k)^2=x^2[/tex]
[tex]h=7~,k=2[/tex]
[tex]Center~(h,k)=(7,2)[/tex]
[tex]r^2=10[/tex]
[tex]r=\sqrt{10}[/tex]
[tex]radius=\sqrt{10}[/tex]
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hope it helps...
have a great day!!
